const char* about_message =
    "Developed by XJTU Graphics course team.\n"
    "由西安交通大学计算机图形学课题组开发。\n"
    "联系我们：xjtugraphics@outlook.com\n"
    "GitHub: XJTU-Graphics\n\n"
    "Icon by Freepik from www.flaticon.com";
